Formation of Wormholes by Dark Matter in the Galaxy Dragonfly 44

TL;DR

This paper investigates whether dark matter in the galaxy Dragonfly 44 can form wormholes, finding that only the generalized NFW dark matter profile supports wormhole formation, unlike the King's model.

Contribution

It demonstrates that certain dark matter profiles, specifically the generalized NFW profile, can theoretically support wormhole formation in ultra diffuse galaxies.

Findings

NFW profile supports wormhole formation.

King's model does not support wormholes.

Dark matter profile influences wormhole viability.

Abstract

Recently, ultra diffuse galaxy (UDG) of Dragonfly 44 in the Coma Cluster was observed and observations of the rotational speed suggest that its mass is almost same as the mass of the Milky Way. On the other hand, interestingly, the galaxy emits only 1 \% of the light emitted by the Milky Way. Then, astronomers reported that Dragonfly 44 may be made almost entirely of dark matter. In this study we try to show that the dark matter that constitutes Dragonfly 44 can form the wormhole or not. Two possible dark matter profiles are used, namely, ultra diffuse galaxy King's model and generalized Navarro-Frenk-White (NFW) dark matter profile. We have shown that King's model dark matter profile does not manage to provide wormhole whereas generalized Navarro-Frenk-White (NFW) dark matter profile is managed to find wormholes.